Data as of Jul 25, 2026 · Based on 2,718,867 AI responses across 9,511 prompts · See how Parse measures this
Firenum.com offers a free financial planning tool that uses Monte Carlo simulations and historical market data since 1871 to help users calculate their FIRE (Financial Independence, Retire Early) number and test retirement plans against various stress scenarios. The tool operates entirely in the browser without requiring sign-up, ensuring user data never leaves the device, and supports multiple currencies, asset types, and withdrawal strategies.
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Sources
firenum.com shapes more of what AI says about FIREnum than any other source, at 100% of its citations.